May 20 18:38:24 mail postfix[5936]: error: to submit mail, use the Postfix sendmail command
May 20 18:38:24 mail postfix[5936]: fatal: the postfix command is reserved for the superuser
May 20 18:38:25 mail postfix[5939]: error: to submit mail, use the Postfix sendmail command
May 20 18:38:25 mail postfix[5939]: fatal: the postfix command is reserved for the superuser
May 20 18:38:26 mail postfix[5942]: error: to submit mail, use the Postfix sendmail command
May 20 18:38:26 mail postfix[5942]: fatal: the postfix command is reserved for the superuser
May 20 18:38:27 mail postfix[5945]: error: to submit mail, use the Postfix sendmail command
May 20 18:38:27 mail postfix[5945]: fatal: the postfix command is reserved for the superuser
May 20 18:40:33 mail postfix[6004]: error: to submit mail, use the Postfix sendmail command
May 20 18:40:33 mail postfix[6004]: fatal: the postfix command is reserved for the superuser

# This needs to be uncommented before saslauthd will be run automatically
START=yes
PARAMS="-m /var/spool/postfix/var/run/saslauthd -r"
# You must specify the authentication mechanisms you wish to use.
# This defaults to "pam" for PAM support, but may also include
# "shadow" or "sasldb", like this:
# MECHANISMS="pam shadow"
MECHANISMS="pam"